 And so it's interesting, you know, that from a southern perspective, at least, Mississippi, Arkansas, the Delta, that, you know, this is where Led Zeppelin comes from in the first place. So it's not surprising that later in their career, they would be charged with plagiarizing blues artists like Robert Johnson and Boca White and Willie Dixon. Here's Kirby Ferguson, creator of the documentary series Everything is a Remix, with more.